Coastal Flange
Coastal Flange is a privately held Houston-area manufacturer and distributor of industrial steel pipe flanges (carbon, stainless, and alloy; 1/2" to 200" OD) serving oil and gas, petrochemical, and waterworks customers in the US, Canada, and select global markets.
- Company typePrivate
- Founded1986
- HeadquartersHouston, United States
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Coastal Flange does
Coastal Flange is a Houston-area (Jersey Village, Texas) manufacturer and distributor of industrial steel pipe flanges, founded in 1986. The company produces pipe flanges in carbon steel, stainless steel, and alloy materials across six configurations — slip-on, weld neck, blind, lap joint, threaded, and socket weld — in sizes ranging from 1/2" to 200" outer diameter, and is one of the few domestic suppliers specializing in large-diameter flanges (26" through 96" stocked in carbon steel). Its product portfolio is organized around multiple standards regimes (ANSI, ASME, AWWA, DIN, BS10, JIS, KS) and includes a custom engineered flange job shop with AutoCAD design capability for non-standard and modified-standard flange geometries.
The company operates an ISO 9001:2015-certified quality system and holds Canadian Registration Numbers (CRNs) across all 13 Canadian provinces and territories, enabling direct sales into the Canadian market. Customers are industrial buyers in three primary verticals: oil and gas, petrochemical, and waterworks/municipal water infrastructure. The go-to-market motion is enterprise direct sales supported by a phone/email sales team, an online RFQ catalog at catalog.coastalflange.com, and an extensive content marketing footprint covering industry standards, technical data, and flange maintenance guides. Pricing is quote-based and not publicly disclosed.
Coastal Flange generates revenue through hardware sales of manufactured and distributed flanges, with shipments described as "thousands of flanges annually" primarily to US and Canadian customers and a stated ambition to expand as a global supplier. The business is privately held, independently owned (no disclosed institutional investors, parent, or funding rounds), and operates from a single Jersey Village facility with access to rail, truck, air, and water transportation. Recent strategic activity has centered on standard coverage expansion (international specs), a 2025 product naming transition from ASME to ANSI, STI/SFPA partnership for AWWA C228-19 water infrastructure flanges, and continued buildout of the custom engineered flange capability.
Coastal Flange firmographics
Firmographics- Name
- Coastal Flange
- Legal name
- Coastal Flange Inc.
- Website
- https://coastalflange.com
- Company type
- Private
- Founded year
- 1986
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Coastal Flange is a privately held Houston-area manufacturer and distributor of industrial steel pipe flanges (carbon, stainless, and alloy; 1/2" to 200" OD) serving oil and gas, petrochemical, and waterworks customers in the US, Canada, and select global markets.
- Ownership category
- akta.pro rank
Coastal Flange industry classification
Industry- Product category
- Industrial Pipe Flanges Manufacturing
- NAICS
- Fabricated Pipe and Pipe Fitting Manufacturing (332996), Other Metal Valve and Pipe Fitting Manufacturing (332919), Oil and Gas Field Machinery and Equipment Manufacturing (333132)
- SIC
- Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050)
- akta.pro primary industry
- Pipe Fittings, Couplings & Connectors (IMADALAD)
- akta.pro secondary industry
- Seals, Gaskets & Fluid Connectors (O-rings, packings, rotary seals, quick couplers) (IMAHAGAI)
Keywords
Where Coastal Flange is headquartered
LocationHeadquarters
- HQ city
- Houston
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Coastal Flange business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Pipe Flange Manufacturing and Distribution: Coastal Flange manufactures and distributes industrial steel pipe flanges, selling standard and custom-engineered flanges to industrial customers. The company stocks inventory of standard flanges and manufactures custom flanges to customer specifications.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Pay-as-you-go | Standard and custom pipe flanges sold via quote-based pricing |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels5 records
Coastal Flange product offering
Product offeringCore offering
Coastal Flange manufactures and supplies industrial pipe flanges for the oil & gas, petrochemical, and waterworks industries. The product line spans ANSI Class, ASME Certified, AWWA, Industry Standard, and STI/SFPA AWWA C228-19 flanges; type variants including slip-on, weld neck, blind, lap joint, threaded, and socket weld; material variants in carbon steel and stainless steel; and custom engineered flanges designed with AutoCAD and produced via in-house forging, casting, machining, welding, and finishing.
Product overview
Coastal Flange is a manufacturer and distributor of industrial steel pipe flanges, operating as a single unified product line of flanges supplemented by custom engineering services. The core product portfolio consists of six flange types (slip-on, weld neck, blind, lap joint, threaded, and socket weld) manufactured in carbon steel, stainless steel, and alloy materials in sizes from 1/2" to 200" OD. Products are offered under multiple standards compliance categories including ANSI Class Flanges, ASME Certified Flanges, AWWA Flanges, Industry Standard Flanges (international standards), and Custom Engineered Flanges for specialty applications. The company stocks large diameter domestic flanges (26" through 96" in carbon steel) and serves oil and gas, petrochemical, and waterworks industries. Technical resources including technical data guides, CRN registrations, and downloadable tolerance specifications support the product portfolio.
Differentiator
Problem solved
Functional benefit
Products and services
- ANSI Class Flanges
Quantifiable outcome
- Turnaround times typically just a few days when raw material is in stock
- +1 more outcomes
Companies that use Coastal Flange
Customer profileSegments3 records
Ideal customer profiles2 records
Coastal Flange technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Coastal Flange partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Steel Tank Institute/Steel Plate Fabricators Association (STI/SFPA)minorSTI/SFPA is an organization dedicated to promoting quality of steel tanks and plate fabrication. Coastal Flange offers flange products and services within this framework, focusing on AWWA C228-19 specifications for the water storage and distribution sector. The partnership provides members with access to cutting-edge research, training, and certification programs while Coastal Flange supplies compliant flange products.
Scale indicators5 records
Recent moves6 records
Expansion highlights5 records
Coastal Flange competitors and assessment
Company assessmentMarket position
Competitive moat5 records
Key highlights6 records
Customer concentration
Coastal Flange social profiles
Digital presenceCoastal Flange compliance and trust
Trust signalCompliance1 record
Coastal Flange financial estimates
Financial estimateRevenue estimate
Valuation estimate
Coastal Flange leadership team
Management profileNumber of profiles
Coastal Flange funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Coastal Flange M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Coastal Flange
What does Coastal Flange do?
Coastal Flange manufactures and supplies industrial pipe flanges for the oil & gas, petrochemical, and waterworks industries. The product line spans ANSI Class, ASME Certified, AWWA, Industry Standard, and STI/SFPA AWWA C228-19 flanges; type variants including slip-on, weld neck, blind, lap joint, threaded, and socket weld; material variants in carbon steel and stainless steel; and custom engineered flanges designed with AutoCAD and produced via in-house forging, casting, machining, welding, and finishing.
Is Coastal Flange a public or private company?
Coastal Flange is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Coastal Flange founded?
Coastal Flange was founded in 1986. It employs 11 to 50 people.
Where is Coastal Flange based?
Coastal Flange is headquartered in Houston, United States, in the North America region.
How does Coastal Flange make money?
One revenue line is on record: pipe Flange Manufacturing and Distribution.
Does Coastal Flange have an API?
No public API is recorded for Coastal Flange.
What industry is Coastal Flange in?
Coastal Flange's product category is Industrial Pipe Flanges Manufacturing. Its primary akta.pro industry code is IMADALAD, Pipe Fittings, Couplings & Connectors, with a secondary code of IMAHAGAI, Seals, Gaskets & Fluid Connectors (O-rings, packings, rotary seals, quick couplers). Its NAICS code is 332996 and its SIC code is 3050.